3601 | Angle : summer 2004 |
3602 | The River Test |
3603 | Guidance on the use of Bioassays in Ecological Risk Assessment |
3604 | Ecdyonurus torrentis |
3605 | HIDDEN-DP-KBerg-001.tif |
3606 | Zygnema, |
3607 | Diphyllobothrium plerocercoid LS, |
3608 | Dinobryon suecicum |
3609 | Herbarium Image: Juncus bulbosus |
3610 | Herbarium Image: Apium nodiflorum |
3611 | Diagnostic Drawing: Diatoms freshwater pennales, |
3612 | Herbarium Image: Vulpia bromoides and Aira caryophyllea |
3613 | Adur and Ouse catchment abstraction management strategy : final strategy |
3614 | Diagnostic Drawing: Coccolithophorids, |
3615 | LOIS : proceedings of a Humber seminar : 17 May 2001 |
3616 | Blue-green algal monitoring 1995-1997 |
3617 | Chlorella, |
3618 | Sapiston River support scheme : test pumping of observation boreholes (92/6/362) |
3619 | NRA research and development programme - 1995/96 : schedule of on-going projects and proposed new starts |
3620 | Rivers and wetlands : best practice guidelines |
3621 | Annual N2O measurements and associated data: AC0213, Northumberland, 2012 |
3622 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
3623 | The Ribble fisheries management plan : a consultation document produced by the National Rivers Authority |
3624 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
3625 | Diagnostic Drawing: Cocolith types, |